FILL IN THE BLANKS 515

Directions
(Q. 111-120): In the given passage, there are blanks, each of which has been numbered.
Against each, five words are suggested, one of which fits the blank
appropriately. Find out the appropriate word in each case.

Calculations
that previously took more than 20 hours to complete on the banks' own systems
are now done in 20 minutes. Big banks are also renting resources in the cloud
(111) they need safe test environments in which they (112)mirror their own computer systems and then make
changes (113)updates without
the risk of crashing the (114)
bank. Many banks are reconfiguring their (115)
computer systems into private clouds — a hybrid (116) in which they have sole use of a data centre. But they (117) some efficiencies from
using software and systems that run public clouds. (118) are, however, concerns about cloud computing. One is
the (119) over security and
data protection. For small banks with (120)
resources, the large data centers provided by firms such as Microsoft are
probably safer and more reliable than any that they could build themselves. But
large banks, which have already built secure data centers, are reluctant to
hand over client data to outsiders.